Nevada Aircraft Maintenance
Technician Licensing Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which document provides official approval for major aircraft
alterations?
A. Airworthiness Directive
B. Maintenance Manual
C. Supplemental Type Certificate
D. Flight Manual Supplement
Answer: C
A Supplemental Type Certificate (STC) approves major alterations or
modifications that deviate from the original type design while
maintaining airworthiness compliance.
2. What is the primary purpose of an Airworthiness Directive (AD)?
A. Recommend maintenance practices
B. Mandate corrective action for unsafe conditions
C. Provide inspection checklists
D. Approve new aircraft designs
Answer: B
An AD is a legally enforceable rule issued to correct unsafe conditions
in aircraft, engines, or components.
3. Which publication contains manufacturer-recommended maintenance
procedures?
A. FAR Part 43
B. Advisory Circulars
, C. Aircraft Maintenance Manual
D. Type Certificate Data Sheet
Answer: C
The Aircraft Maintenance Manual provides detailed instructions for
inspection, repair, and maintenance procedures.
4. What is the standard unit of torque measurement in aviation
maintenance?
A. Pounds per square inch
B. Foot-pounds
C. Newtons
D. Inches of mercury
Answer: B
Torque is commonly measured in foot-pounds to ensure proper
fastener tightness.
5. What is the minimum required documentation for a maintenance
entry?
A. Signature only
B. Description of work and signature
C. Work order number only
D. Inspector approval only
Answer: B
Maintenance records must include a description of work performed
and the signature with certificate number of the authorized person.
6. Which tool is used to measure electrical resistance?
A. Ammeter
B. Voltmeter
C. Ohmmeter
D. Tachometer
Answer: C
An ohmmeter measures resistance in electrical circuits.
7. What is the function of a circuit breaker?
A. Increase voltage
B. Store electricity
C. Protect against overcurrent
D. Convert AC to DC
, Answer: C
A circuit breaker interrupts electrical flow to prevent damage from
excessive current.
8. Which type of fire extinguisher is appropriate for electrical fires?
A. Water
B. Foam
C. Class A only
D. CO₂
Answer: D
CO₂ extinguishers are suitable for electrical fires because they do not
conduct electricity.
9. What does the term “service bulletin” represent?
A. Mandatory regulation
B. Manufacturer recommendation
C. Federal law
D. Inspection certificate
Answer: B
A service bulletin is issued by manufacturers to recommend
inspections or improvements but is not always mandatory.
10. Which component regulates engine oil pressure?
A. Oil cooler
B. Relief valve
C. Oil filter
D. Pump housing
Answer: B
The oil pressure relief valve maintains proper system pressure by
diverting excess oil flow.
11. What is the purpose of a magneto?
A. Increase fuel flow
B. Generate ignition spark
C. Control propeller pitch
D. Measure RPM
Answer: B
A magneto generates electrical energy for the spark plugs
independently of the aircraft battery.
Technician Licensing Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which document provides official approval for major aircraft
alterations?
A. Airworthiness Directive
B. Maintenance Manual
C. Supplemental Type Certificate
D. Flight Manual Supplement
Answer: C
A Supplemental Type Certificate (STC) approves major alterations or
modifications that deviate from the original type design while
maintaining airworthiness compliance.
2. What is the primary purpose of an Airworthiness Directive (AD)?
A. Recommend maintenance practices
B. Mandate corrective action for unsafe conditions
C. Provide inspection checklists
D. Approve new aircraft designs
Answer: B
An AD is a legally enforceable rule issued to correct unsafe conditions
in aircraft, engines, or components.
3. Which publication contains manufacturer-recommended maintenance
procedures?
A. FAR Part 43
B. Advisory Circulars
, C. Aircraft Maintenance Manual
D. Type Certificate Data Sheet
Answer: C
The Aircraft Maintenance Manual provides detailed instructions for
inspection, repair, and maintenance procedures.
4. What is the standard unit of torque measurement in aviation
maintenance?
A. Pounds per square inch
B. Foot-pounds
C. Newtons
D. Inches of mercury
Answer: B
Torque is commonly measured in foot-pounds to ensure proper
fastener tightness.
5. What is the minimum required documentation for a maintenance
entry?
A. Signature only
B. Description of work and signature
C. Work order number only
D. Inspector approval only
Answer: B
Maintenance records must include a description of work performed
and the signature with certificate number of the authorized person.
6. Which tool is used to measure electrical resistance?
A. Ammeter
B. Voltmeter
C. Ohmmeter
D. Tachometer
Answer: C
An ohmmeter measures resistance in electrical circuits.
7. What is the function of a circuit breaker?
A. Increase voltage
B. Store electricity
C. Protect against overcurrent
D. Convert AC to DC
, Answer: C
A circuit breaker interrupts electrical flow to prevent damage from
excessive current.
8. Which type of fire extinguisher is appropriate for electrical fires?
A. Water
B. Foam
C. Class A only
D. CO₂
Answer: D
CO₂ extinguishers are suitable for electrical fires because they do not
conduct electricity.
9. What does the term “service bulletin” represent?
A. Mandatory regulation
B. Manufacturer recommendation
C. Federal law
D. Inspection certificate
Answer: B
A service bulletin is issued by manufacturers to recommend
inspections or improvements but is not always mandatory.
10. Which component regulates engine oil pressure?
A. Oil cooler
B. Relief valve
C. Oil filter
D. Pump housing
Answer: B
The oil pressure relief valve maintains proper system pressure by
diverting excess oil flow.
11. What is the purpose of a magneto?
A. Increase fuel flow
B. Generate ignition spark
C. Control propeller pitch
D. Measure RPM
Answer: B
A magneto generates electrical energy for the spark plugs
independently of the aircraft battery.
